The Holosun LS321R is a 7075 Aluminum bodied multi- laser aiming device. Zeroing is easy with the coaxially mounted class IIIA visible red laser, class 2M IR laser, and IR Illuminator. With a quick release picatinny rail mount, a remote pressure switch and IP67 water resistance level, this coaxial multi-laser is the perfect addition to any rifle or PDW. Features of the Holosun LS321RCoaxial Dual Laser & IR IlluminatorHigh/Low Brightness SettingRemote Cable SwitchQuick Release MountIP67 WaterproofIn the Box: QD Release MountRemote Cable SwitchT10 L KeyCR123A BatteryUser ManualHolosun 321 SeriesMPNLaser PointerDescriptionHolosun LE321-GRGreen & IR Pointer with White & IR Illuminator321 Green & IR Pointer with White & IR Illuminator LE321-GRHolosun LE321-RDRed & IR Pointer with White & IR Illuminator321 Red & IR Pointer with White & IR Illuminator LE321-RDHolosun LS321GGreen & IR Pointer with IR Illuminator321 Green & IR Pointer with IR Illuminator LS321GHolosun LS321RRed & IR Pointer with IR Illuminator321 Red & IR Pointer with IR Illuminator LS321R Holosun LS321R Coaxial Red, IR and Illuminator Laser Sight w/ QD Picatinny Rail Mount - LS321R